FR457186A - Recorder-reproducer diaphragm - Google Patents

Recorder-reproducer diaphragm

Info

Publication number
FR457186A
FR457186A FR457186DA FR457186A FR 457186 A FR457186 A FR 457186A FR 457186D A FR457186D A FR 457186DA FR 457186 A FR457186 A FR 457186A
Authority
FR
France
Prior art keywords
recorder
reproducer
diaphragm
reproducer diaphragm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Lucien Crespin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR457186A publication Critical patent/FR457186A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR457186D 1912-07-05 1912-07-05 Recorder-reproducer diaphragm Expired FR457186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR457186T 1912-07-05

Publications (1)

Publication Number Publication Date
FR457186A true FR457186A (en) 1913-09-13

Family

ID=1496901

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457186D Expired FR457186A (en) 1912-07-05 1912-07-05 Recorder-reproducer diaphragm

Country Status (1)

Country Link
FR (1) FR457186A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631858A (en) * 1948-12-20 1953-03-17 Shure Bros Phonograph stylus
US2645498A (en) * 1948-08-11 1953-07-14 Miller Walter Pickup arm having a rotatable cartridge with two needles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645498A (en) * 1948-08-11 1953-07-14 Miller Walter Pickup arm having a rotatable cartridge with two needles
US2631858A (en) * 1948-12-20 1953-03-17 Shure Bros Phonograph stylus

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